24" X 24" Sound Rated Steel Access Panel Felt Covered Door For Concealed Wall / Ceiling Application With Slotted Lock - [Outer Dimensions: 25" Width X 25" Height] 18" Round Duct Pipe } li { margin-bottom: 15px

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actual front end outer dimensions are approximately 28 5/8" width X 22 5/8" height

Actual Filter Size – 11 3/4"w x 21 3/4" x 1"

the Toe Space Grill ensures consistent air distribution

24" X 24" Sound Rated Steel Access Panel Felt Covered Door For Concealed Wall / Ceiling Application With Slotted Lock - [Outer Dimensions: 25" Width X 25" Height] 18" Round Duct Pipe } li { margin-bottom: 15px+ Product Details Size 24" X 24" is the size for the drywall opening measurement only, actual front end outer dimensions are 25" Width X 25" Height High Quality High grade steel construction. Design 1mm galvanized steel material with sleek, shiny, durable white powder coat finish for an attractive look & high durability corrosion protection 15mm medium density fibreboard with felt cover and rubber sealing between the door and frame for tight security.